HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
Piperonal → 7-Methyl-1-(3,4-methylenedioxyphenyl)octa-1,6-dien-3-one
Beteiligte Stoffe
| Rolle | Name | HCID | Einwaage |
|---|---|---|---|
| Edukt | Piperonal | HCID 8438 | — |
| Edukt | 6-Methyl-5-hepten-2-one | HCID 9862 | — |
| Lösungsmittel | Sodium Hydroxide | HCID 14798 | — |
| Produkt | 7-Methyl-1-(3,4-methylenedioxyphenyl)octa-1,6-dien-3-one | HCID 41981 | — |
Reaktionsschritte
15 g of piperonal (0.1 mole) and 12.6 g of 6-methyl-5-heptene-2-one (0.1 mole) in an aqueous-alcoholic solution of sodium hydroxide (200 cm3 of 10% NaOH+20 cm3 of ethanol) are stirred for 15 days at ambient temperature. The product obtained is filtered off, washed with water, and recrystallised from ethanol.
Herkunft & Nachweise
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patentnummer | US04209517 |
| Quelldatensatz | uspto-grants-1980_06 |
| ORD ID | ord-3017d784726a437c9e8a29d53eee8c17 |
| Quellennotiz | uspto-grants-1980_06 |